| Harrisburg to Mombris | 4,009.71 mi (6,453.00 km) |
| Harrisburg to Monchengladbach | 3,868.04 mi (6,225.01 km) |
| Harrisburg to Monschau | 3,879.02 mi (6,242.68 km) |
| Harrisburg to Montabaur | 3,945.22 mi (6,349.22 km) |
| Harrisburg to Moosburg | 4,171.33 mi (6,713.11 km) |
| Harrisburg to Morbach | 3,935.04 mi (6,332.83 km) |
| Harrisburg to Morfelden-Walldorf | 3,988.47 mi (6,418.82 km) |
| Harrisburg to Morlenbach | 4,006.80 mi (6,448.32 km) |
| Harrisburg to Morsbach | 3,928.34 mi (6,322.05 km) |
| Harrisburg to Mosbach | 4,030.86 mi (6,487.04 km) |
| Harrisburg to Mosigkau | 4,074.29 mi (6,556.94 km) |
| Harrisburg to Mossingen | 4,056.73 mi (6,528.68 km) |
| Harrisburg to Much | 3,914.36 mi (6,299.55 km) |
| Harrisburg to Mucheln | 4,074.51 mi (6,557.29 km) |
| Harrisburg to Muhlacker | 4,030.89 mi (6,487.10 km) |
